Stay updated with real-time air quality in Santa Clarita, California featuring accurate data on AQI, PM2.5, PM10, O3, NO2, SO2, and CO levels. Use our interactive map and detailed forecasts to monitor pollution trends, manage health risks, and plan your daily activities with confidence.
Live AQI (Air Quality Index)
56
Moderate
Santa Clarita, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
12.31 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
54.82 μg/m³
0
55
155
255
425
605+
23.17 ppb
0
55
71
86
201
201+
0.49 ppb
0
36
76
186
605
1005+
11.86 ppb
0
54
101
361
1250
2050+
0.39 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Santa Clarita, California
Santa Clarita, California
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AQI 56
Moderate
12.04μg/m³
PM2.5
49.74μg/m³
PM10
26.16ppb
O3
0.49ppb
SO2
11.38ppb
NO2
0.39ppm
CO
AQI 52
Moderate
10.43μg/m³
PM2.5
30.84μg/m³
PM10
31.22ppb
O3
0.49ppb
SO2
10.97ppb
NO2
0.39ppm
CO
AQI 62
Moderate
14.87μg/m³
PM2.5
62.72μg/m³
PM10
25.53ppb
O3
0.44ppb
SO2
9.98ppb
NO2
0.40ppm
CO
AQI 49
Good
8.60μg/m³
PM2.5
28.36μg/m³
PM10
33.14ppb
O3
0.48ppb
SO2
11.69ppb
NO2
0.39ppm
CO
AQI 49
Good
9.45μg/m³
PM2.5
32.71μg/m³
PM10
31.23ppb
O3
0.49ppb
SO2
13.34ppb
NO2
0.38ppm
CO
AQI 44
Good
8.43μg/m³
PM2.5
28.96μg/m³
PM10
32.99ppb
O3
0.48ppb
SO2
11.64ppb
NO2
0.39ppm
CO
Air quality measurements for California, USA meet strict US EPA standards. These measurements are collected from reliable sources, including satellites and ground-based monitoring systems. Advanced algorithms and machine learning techniques are applied to the data, factoring in variables such as traffic and population density, to ensure precision and reliability.
Source: Ambee Data Sources
Air quality data for Santa Clarita, California is updated on an hourly basis.
The worst air quality in Santa Clarita, California was recorded at 05:00:00 on 2026-01-23.
The best air quality in Santa Clarita, California was recorded at 08:00:00 on 2026-01-23.
The real-time air quality index in Santa Clarita, California is 56, currently categorized as Moderate.
The most common pollutant in Santa Clarita, California is PM2.5.
If the air quality in Santa Clarita, California is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in Santa Clarita, California at present are 12.307 μg/m3.
The current PM10 levels in Santa Clarita, California are 54.818 μg/m3.
The current carbon monoxide (CO) level in Santa Clarita, California is 0.391 ppm.
The current sulfur dioxide (SO2) levels in Santa Clarita, California are 0.494 ppb.
The current ozone (O3) levels at Santa Clarita, California is 23.171 ppm.
The current nitrogen dioxide (NO2) levels at Santa Clarita, California is 11.856 ppb.
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